2021-02-01 16:47发布
//判断字符是否为空的方法function isEmpty(obj){ var regu = "^[ ]+$"; var re = new RegExp(regu); if(typeof obj == "undefined" || obj == null || obj == "" || re.test(obj)){ return true; }else{ return false; } }
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//判断字符是否为空的方法function isEmpty(obj){ var regu = "^[ ]+$"; var re = new RegExp(regu); if(typeof obj == "undefined" || obj == null || obj == "" || re.test(obj)){ return true; }else{ return false; } }一周热门 更多>